Answer:
[tex]{ \boxed{ \mathfrak{ \: answer : \: { \rm{5 {x}^{2} - 6x - 14 = 0 }} }}}[/tex]
Step-by-step explanation:
General quadratic equation:
[tex]{ \tt{ {x}^{2} \pm bx \pm c = 0 }} \\ { \tt{ - 5 {x}^{2} + 6x + 14 = 0 }}[/tex]
divide by -1:
[tex]{ \tt{5 {x}^{2} - 6x - 14 = 0 }}[/tex]